Description
2017 Mercedes-Benz SL550 4.7L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 Mercedes-Benz SL550 4.7L AT gas models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: 647-247-8555
Oliver Miles –
I recently purchased the 2017 Mercedes SL550 4.7L ECM and was really impressed with how smooth the whole process went. The unit arrived quickly and the shipping cost was very reasonable, which was a nice bonus. What stood out the most was how well programmed the ECU was—plug-and-play was exactly as promised, so installation was hassle-free. The car fired right up without any issues, and performance has been flawless since. Definitely a reliable product, and the customer support team was helpful in answering a few questions I had along the way.
Luke Allen –
I recently bought the 2017 Mercedes SL550 4.7L AT ECM from this seller, and I couldn’t be happier with the experience. The ECU arrived quickly thanks to their free shipping, which was a nice surprise. What really stood out was how they programmed the unit specifically for my VIN before sending it out, so it was essentially plug-and-play when I installed it. Their communication was excellent too—they kept me posted throughout the process and answered all my questions promptly. The car runs perfectly now, and everything feels smooth and responsive just like new.
Liam Walker –
I was really impressed with how quickly this 2017 Mercedes SL550 ECM arrived—it was shipped out fast and arrived right on schedule. Installation was a breeze since the unit was plug-and-play, which saved me the hassle of complicated setup. The VIN programming was spot on, and the professional support helped clarify a few questions I had. Choosing this option saved me a significant amount compared to dealer pricing, making it a smart and convenient choice overall.
Daniel Campbell –
Perfect fit for my 2017 Mercedes SL550, arrived quickly with free shipping and was ready to plug and play right out of the box. The communication was spot on and they answered all my questions promptly.
Russell Hayes –
I purchased the 2017 Mercedes SL550 4.7L ECM and was impressed by the plug-and-play setup—it made the whole installation process smooth and hassle-free. The unit arrived quickly with free shipping, which was a nice bonus. Customer support was responsive and answered all my questions promptly. Overall, the ECU performed perfectly right out of the box.
Andrew Mitchell –
Fast shipping and a true plug-and-play unit—saved me a bundle versus dealer prices. Installation was a breeze thanks to clear communication and professional service.